The Panathenaic Stadium (, ) or Kallimarmaro (?????u??u??? , ) is a multi-purpose stadium in Athens, Greece. One of the main historic attractions of Athens, it is the only stadium in the world built entirely of marble.

A stadium was built on the site of a simple racecourse by the Athenian statesman Lykourgos (Lycurgus) BC, primarily for the Panathenaic Games.